仁爱版九年级英语上册U1T2SB优质教案.docx

1、仁爱版九年级英语上册U1T2SB优质教案SectionB.Materialanalysis本课是九年级第一单元第二话题的第二课时，主活动是1a和2。本课通过谈论各国的人口数量，复习比较级的基本句型，学习高位数的表达。1b通过连线题，训练学生听懂高位数的能力。1c通过把对话转换为段落来巩固1a的内容。2重点学习高位数的读法。3让学生通过读图来操练高位数的读法。为了降低1a和3的难度，建议将2调整到1a前，作为一个读前的活动。通过谈论各国人口的现状，引导学生树立正确的人口观念。.Teachingaims1.Knowledgeaims：掌握本课的重点词汇和短语，复习形容词比较级的用法，继续学习数字表

2、达。2.Skillaims:能听懂高位数字，并作出正确判断。能通过整合对话内容，提升综合语言运用能力。3.Emotionalaims:(optional)增强学生对人口问题的认识，了解各国的人口现状。增强学生关注社会的意识。4.Cultureawareness:(optional)通过对比发达国家和发展中国家的人口增长情况，引导学生树立正确的人口观念。.Thekeypointsanddifficultpoints1.Keypoints:Wordsandphrases:population,billion,increase,reach,Russia,luckily,policy,measurei

3、ndeveloped/developingcountries,haveapopulationof,increaseby,carryout,theone-childpolicySentences:(1)Itsaystheworldhasapopulationof6.8billion.(2)Itisincreasingby80millioneveryyear.(3)Whichcountryhasthelargestpopulation?(4)WhatsthepopulationoftheUSA.?Its(5)Soitis.(6)Thepopulationproblemismoreseriousin

4、developingcountries.Grammar:GoonlearningandusingPresentPerfect.2.Difficultpoints：能更快更好的听懂和朗读高位数字。能正确使用数字表达各国的人口现状。.Learningstrategies通过1b的匹配练习，提升听的语言技能。通过1a的朗读训练，能够准确、清楚地进行朗读，培养语感和自信心。通过2的数字练习，能够抓住数字的表达规律。通过3的图表描述，能够评价自己的学习情况，找出不足。.Teachingaids单词卡片（如：population，billion等）；多媒体课件；录音机；世界人口示意图；小黑板。.Teach

5、ingproceduresStage(timeperiod)InteractionpatternsTeacheractivityStudentactivityRemarks1Revision（2-3mins）GroupworkGreeting.T:Hello,boysandgirls!T:Nowletshaveacompetitioningroups.Makenewsentencesbyusingthesewords(“just”,“never”,“yet”,“ever”and“already”)withintwominutes.Greeting.Ss:HelloS1:Ihavealready

6、finishedmyhomeworkS2可以播放数字歌，来复习简单的数字。2Lead-in(2-3mins)IndividualworkPresenttheinformationaboutpopulationindifferentcountries.T:Excellent！Youhavealreadysearchedfortheinformationaboutthepopulationindifferentcountries,haventyou?SsT:OK,whodliketobethefirstonetoshareyourinformation?Volunteers?Presentthei

7、nformationaboutpopulationindifferentcountriestheyhavecollectedbeforeclass.Ss:Yes,wehave.S1:Chinahasapopulationof1.3billion.S2:Indiahas培养学生整理信息，传达信息的能力。建议：此处可以中英文混用。3Pre-listening(10mins)Classactivityindividualwork.Step1:Presentthenewwords.T:Thatsright.Chinahasa population of1.3billion.Butitisincreas

8、ing byabout10millioneveryyear.HowlargeChinesepopulationis! Luckily,Chinahascarriedoutthe one-child policytocontrolit.DoyouknowwhatthepopulationofRussiais?Ss:143million.T:Yes,thepopulationindeveloping countriesislargerthanthatindeveloped countries.Ss:Step2:GetSstoreadandguidethemtomastertherulesabout

9、howtoreadthenumbers.Askthemtopayattentiontothepronunciation.T:Chinahasapopulationof1.3billion.Butdoyouknowhowtoexpressthelargenumberslike1300000000.Firstletslookattheblackboard.2183065366(LeadSstoreadnumbersfromthesimplenumberstolargeoneslikemillionandbillion。)S1: Twohundredandeighteen.S2: Threehund

10、redandsix.S3:Fivethousand,threehundredandsixty-six.(Concludetherulesabouthowtoreadnumbers.)T:Now,lookatthesenumbers.Canyoureadthem?73654787360627198764501(GuidetheSstolearntherulesofreadingnumbers.Thenpractice.)S4:736547sevenhundredandthirty-sixthousand,fivehundredandforty-seven.T:Now,Iwillasksomeot

11、herstudentstoreadothernumbers.S5:8736062eightmillion,sevenhundredandthirty-sixthousandandsixty-two.S6:7198764501sevenbillion,onehundredandninety-eightmillion,sevenhundredandsixty-fourthousand,fivehundredandone.T:Youaregreat.Mostofyouhavemasteredhowtoreadthenumbers.Pleaselookatthenumbersin2.Readthemt

12、ogether.Trytounderstandthenewwordsaccordingtotheteachersexplanation.Ss:143million.Readthenumbers,masterhowtoexpressthelargenumbersaccordingtotheteachersexplanation.S1:Twohundredandeighteen.S2:Threehundredandsix.S3:Fivethousand,threehundredandsixty-six.S4:736547sevenhundredandthirty-sixthousand,fiveh

13、undredandforty-seven.S5:8736062eightmillion,sevenhundredandthirty-sixthousandandsixty-two.S6:7198764501Sevenbillion,onehundredandninety-eightmillion,sevenhundredandsixty-fourthousand,fivehundredandone.Ss教师应板书所学生词和短语，以便学生整体把握重点。教师可以根据实际情况增加数字练习环节。在活动2中要引导学生注意并列词组间的语音语调。4While-listening(10mins)Individ

14、ualworkClassactivityStep1:GettheSsreadyforlistening.Thenlistenandfinish1b.T:Therearesomanypeopleintheworld.Right?Whatsthepopulationoftheworld?SsT:Maybesomeofushavelearntaboutit.OK.,letslistentothetapeandfinish1b.T:Itsnotdifficult.Nowshareyouranswerswithothers.Whocantry?Step2:Listento1aagainandpayatt

15、entiontothepronunciationandintonationandthenactout1a.Listenandfinish1b.S1:Theworldhasapopulationof6.8billion.S2:Chinahasapopulationof1.3billion.S3:Indiahasapopulationof1.1billion.S4:TheUSAhasapopulationof309million.Listento1aandpayattentiontothepronunciationandintonationandthenroleplay1a.回答连线题时，要求学生

16、使用完整的句子作答，有助于培养语感，更好地运用短语和句子。学习语言，读的过程很重要，教师可以根据班级情况，分配朗读的方式和时间。5Post-listening(15mins)GroupworkIndividualworkStep1:Read1aagain,gettheSstounderlinetheusefulexpressionsanddiscusstheusageofthemingroups.T:Readtheconversationagain,underlinethedifficultphrasesandsentences.Youcanlookuptheminthedictionaryo

17、raskyourclassmatesandteacherforhelp.Step2:Finish1caccordingto1a.T:Nowletsread1aandcompletethepassagein1c.T:OK,whocanshareyouranswerswithus?Readtheconversationthoroughlyandunderlinethepointstheydonotunderstand.Finish1cafterreading1a.小组内不能解决的问题，组间可以互相帮助解决,老师可以适时适当的点拨。该环节教师应提供参考资料和方法指导，以提升学生的自学能力和克服难关的

18、意识。6Finishingtask3GroupworkProject:Workingroupsanddiscusstheinformationofthechartin3.T:Lookatthechartin3anddiscussthem.Thequestionscanhelpyou.Workingroupanddisusstheinformationofthechartin3.教师合理安排该部分，不仅可以巩固前面所学，提高学生的口语水平，还能增强学生对人口现状的了解。如果时间充裕，可以在课堂上汇报一下讨论结果；如果时间不够，也可以安排成书面作业。7Summarizingandassigning

19、homework(3-5mins)ClassactivityStep1:Summarizetheimportantexpressionsingroups.Step2:HMK:Writeapassageaboutthecurrentsituationofpopulation.Goovertheusefulexpressionslearntthisclass.HMK:Writeapassageaboutthesituationofpopulation.BlackboarddesignThepopulationindevelopingcountriesisgrowingfaster.SectionB

20、Wordsandphrases:Sentences:billion,increase,reach,RussiaThepopulationproblemismoreseriousindevelopingcountries.have/hasapopulationof.Itsaystheworldhasapopulationof6.8billion.IncreasebyWhatsthepopulationoftheUSA?thedeveloped/developingcountry309million.carryout,Soitis.theone-childpolicy1300000000218306536673654787360627198764501